(!!!!) (BEST RCA PAIR) 6EU7 RCA NOS 1965 (52-57/32 and 51-55/32)
(!!!!) (BEST RUSSIAN PAIR) 6L6GC=6n3CE Russian NOS 1990 coin/wafer base original boxes (61.5ma and 63ma) (Leben, Fender)
(!!!!) (BEST SIEMENS PAIR) EL84 Siemens Halske Germany NOS 1969 (47.5ma and 50.4ma)
(!!!!) (BEST SIEMENS PAIR) EL84 Siemens Halske Germany NOS 1969 (57.5ma and 60ma)
(!!!!) (Best Siemens Pair) EL84 Siemens Halske Germany used/test like new 1971 (48.2ma and 48.5ma) (High Gm)
(!!!!) (Best Single #3) ECC82=12AU7 Telefunken Diamond Bottom smooth plates NOS 1964 copper grid posts (10.6ma/10.2ma) 1-3% section balance
(!!!!) (Best Single 1961) 12AX7=ECC83 Philips Miniwatt Holland 1961 large "O" getter halo NOS (1.8/1.3ma and Gm=2100/1700)
(!!!!) (Best Single 1975) GZ34 Mullard UK NOS 1975 (59/40 and 60/40)
(!!!!) (Best Single) 12AX7 GE NOS tall ribbed plates 1964 (1.3/1.2ma Gm=1700/1700) 1-2% section balance
(!!!!) (Best Single) 12AX7WA Sylvania NOS 1970's (Gm=3000/3100 and 2.5/2.5ma)
(!!!!) (Best Single) 12BH7 Sylvania Silvertone black oval plates "D" getter NOS 1954 (14.4/12.2ma)
(!!!!) (Best Single) 12BH7A RCA gray plates NOS 1970 (10.6/10.2ma)
(!!!!) (Best Single) 12BH7A RCA NOS 1960's (11.6/12.6ma)
(!!!!) (Best Single) 12BH7A Tungsol black plates "O" getter halo 1960 era (11.0/11.6ma)
(!!!!) (Best Single) 5692 RCA RED BASE black plates like new 1950 (10.0/9.2ma)
(!!!!) (Best Single) 5751 Siemens Halske Germany triple mica NOS 1966 (2.6/3.0ma)
(!!!!) (BEST SINGLE) 5U4G National Union NOS 1951 (56/40 and 58/40)
(!!!!) (BEST SINGLE) 5U4G TUNGSOL NOS 1953 (56/40 and 52/40)
(!!!!) (BEST SINGLE) 5U4GB Raytheon "O" getter NOS 1962 (57/40 and 57/40) 1% diode balance
(!!!!) (Best Single) 5Y3GT RCA Motorola NOS 1960 (61/40 and 65/40)